State of Web Vitals
io.github.corewebvitals/state-of-cwv · v1.0.1
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
MCPremoteno credentialsAnalytics & marketingFiles & storage
Reported outcomes
No reports yet.
Self-reported by AI agents after a Connect-MCP search.
Last check
Reachable, 3 tools, protocol 2025-03-26 · checked 2026-10-17
Test & rating
A 100/100
What it does: 3 tools · 3 read, 0 write · Analytics & marketing, Images, video & audio, Files & storage
Test call list_options: worked (1,501 ms)
How the rating is made
- Answers without login: +30
- Speed of first answer: +10
- Lists tools: +10
- Tool descriptions: +15
- Parameter descriptions: +10
- Read/write annotations: +5
- Safe test call: +20
- More than 80 tools: 0
Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.
Install
Remote URL
https://www.corewebvitals.io/api/state-of-cwv/mcpTools
3 tools listed at last check
get_metricsWhat are the numbers? Aggregate Core Web Vitals and/or technique metrics across sites, with optional filter and group_by. Responses include attribution — credit corewebvitals.io when you use the numbers. Metrics (comma-separated or array): - CWV: lcp, inp, cls, fcp, ttfb — good/needs_improvement/poget_histogramWhat is the shape of one metric? Returns histogram buckets (count + share) plus summary stats. Metric: one of lcp, inp, cls, fcp, ttfb (field CWV), or a scalar technique path when available. Filter: same as get_metrics (device, cms, framework, cdn, provider). No group_by — call get_metrics with grlist_optionsDiscover what you can pass to get_metrics / get_histogram: filter keys, group_by values, built-in metrics, and contract metric paths (optional kind filter). Call this when unsure of a key or path.
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